body{
    background: linear-gradient(to right, #ff9a9e, #fad0c4, #fad0c4);    height: 100%;
}
.todo{
    width: 300px;
    margin: 200px auto;
}
h1{
    text-align: center;
}
input,button{
    width: 100%;
    margin: 5px 0;
    padding: 0;
}
ul{
    list-style-type: none;
    padding: 0;
}